Home / 39,532.33-59,302.64-12,880.39

Finding the Fourth Proportional to 39,532.33, 59,302.64 and 12,880.39

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Solution

The fourth proportional to 39,532.33, 59,302.64 and 12,880.39 is: 19,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,532.33 : 59,302.64 = 12,880.39 : x
  2. Step 2: Convert to fraction form
    39,532.33/59,302.64 = 12,880.39/x
  3. Step 3: Cross multiply
    39,532.33x = 59,302.64 × 12,880.39
  4. Step 4: Simplify right side
    39,532.33x = 763,841,131.23
  5. Step 5: Solve for x
    x = 763,841,131.23/39,532.33
  6. Step 6: Final answer
    x = 19,321.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.